I'm assuming you meant and frailness not fertility, in which case it is the oldest old period
Answer:
when you make additional information you need to come up with a correct answer
Answer:When a cell needs to move a molecule many times, it uses vesicles. Vesicles are cellular organelles that are composed of a lipid bilayer. You can think of vesicles as cellular envelopes that are used to transport materials from one place to another. Vesicles also function in metabolism and enzyme storage as well.
Explanation:
A dependant variable is a variable in an experiment that is being studied or measured. A dependent variable's value depends on another.
Keeping this in mind, the dependent variable would be plant growth over time. The plant's growth is affected by its light source, the amount of time it's in the light/darkness, and the species of plant.
Hope this helps!
-Moiselle
